Question

From the following identify valid identifiers beak 1rank a2bc5 punc

Answer 1

Answer:

The valid identifiers are:

a2bc5, punc

The invalid identifiers are:

beak, 1rank

where break is the keyword and as per identifiers law the numerical won't come at first but can come after the variable and no special characters are allowed in identifiers except underscore i.e., '_' the underscore can come at first as well but not numbers

Hope you may get it

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